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Finding the Fourth Proportional to 48,424.96, 72,593.60 and 33,640.80

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Solution

The fourth proportional to 48,424.96, 72,593.60 and 33,640.80 is: 50,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,424.96 : 72,593.60 = 33,640.80 : x
  2. Step 2: Convert to fraction form
    48,424.96/72,593.60 = 33,640.80/x
  3. Step 3: Cross multiply
    48,424.96x = 72,593.60 × 33,640.80
  4. Step 4: Simplify right side
    48,424.96x = 2,442,106,778.88
  5. Step 5: Solve for x
    x = 2,442,106,778.88/48,424.96
  6. Step 6: Final answer
    x = 50,430.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.